/*
 * @Description: 
 * @Author: Zilu
 * @Date: 2021-10-30 23:35:44
 * @Version: 
 * @LastEditTime: 2021-10-31 13:59:00
 * @LastEditors: Zilu
 */

//talkback.c 程序，显示和用户交互
#include <stdio.h>
#include <string.h>
#define DENSITY 62.4    //人体密度（单位：磅 / 立方英尺）

int main(void)
{
    float weight, volume;
    int size, letters;
    char name[40];

    printf("Hi! What's your first name?\n");
    scanf("%s", name);
    printf("%s, what's your weight in pounds?\n", name);
    scanf("%f", &weight);

    size = sizeof(name);
    letters = strlen(name);
    volume = weight / DENSITY;

    printf("Well, %s, your volume is %2.2f cubic feet.\n", name, volume);
    printf("Also, your first name has %d letters,\n", letters);
    printf("and we have %d bytes to store it.\n", size);
    printf("and we have %d bytes to store it.\n", sizeof name);


    return 0;
}